12285765 has 24 divisors (see below), whose sum is σ = 21984768. Its totient is φ = 6340320.

The previous prime is 12285731. The next prime is 12285797. The reversal of 12285765 is 56758221.

It is a happy number.

It is not a de Polignac number, because 12285765 - 2⁹ = 12285253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3009 + ... + 5798.

It is an arithmetic number, because the mean of its divisors is an integer number (916032).

Almost surely, 2^12285765 is an apocalyptic number.

12285765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12285765 is a deficient number, since it is larger than the sum of its proper divisors (9699003).

12285765 is a wasteful number, since it uses less digits than its factorization.

12285765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849 (or 8846 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 12285765 is about 3505.1055618911. The cubic root of 12285765 is about 230.7459398289.

The spelling of 12285765 in words is "twelve million, two hundred eighty-five thousand, seven hundred sixty-five".